Graco Inc 308235 Service, Needle Replacement,  2a, Follow the Pressure Relief Procedure, page

Models: 235459

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Service

Service

Needle Replacement. CAUTION

Do not attempt to install an old style needle in this gun. The front of the new needle is marked with a + below the Graco symbol.

Notes:

Use Needle Kit 235–474.

Use all the new parts for the best results. Parts included in the kit are shown with one asterisk, (2a*).

Keep parts very clean. Dried paint or other contami- nants cause friction which causes parts to wear faster.

Needle Replacement.

 2a* WARNING

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 5.

1.Follow the Pressure Relief Procedure, page 5.

2.Remove the hose, tip guard, spray tip and gasket.

3.Remove the diffuser/seat (2a*) and gasket (2b*). Remove the screw (12), pivot pin (11), and trigger

(8). See Fig. 6.



Lubricate, then torque

11

to 20–25 ft–lb (27–34 N.m)

 

 

 

 

2b*

8

 

 2a*

12

4.Insert a punch into the rear of the gun and tap it to push the needle (2c*) out the front of the gun. See Fig. 7.

2c

Fig. 7

02350

 

5.Clean the internal passages of the gun.

6.Grease the rings (A) of the new needle (2c*). See Fig. 8.

A

Fig. 8

Fig. 6

02349

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Graco Inc 308235, 237691, 235459 manual Service, Needle Replacement,  2a, Follow the Pressure Relief Procedure, page